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Finding the Fourth Proportional to 2,239.68, 3,359.16 and 700.68

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Solution

The fourth proportional to 2,239.68, 3,359.16 and 700.68 is: 1,050.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,239.68 : 3,359.16 = 700.68 : x
  2. Step 2: Convert to fraction form
    2,239.68/3,359.16 = 700.68/x
  3. Step 3: Cross multiply
    2,239.68x = 3,359.16 × 700.68
  4. Step 4: Simplify right side
    2,239.68x = 2,353,696.23
  5. Step 5: Solve for x
    x = 2,353,696.23/2,239.68
  6. Step 6: Final answer
    x = 1,050.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.